12401453 has 4 divisors (see below), whose sum is σ = 12408768. Its totient is φ = 12394140.

The previous prime is 12401447. The next prime is 12401489. The reversal of 12401453 is 35410421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35410421 = 29 ⋅1221049.

It is a cyclic number.

It is not a de Polignac number, because 12401453 - 2⁴ = 12401437 is a prime.

It is a super-2 number, since 2×12401453² = 307592073022418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (3102192).

Almost surely, 2^12401453 is an apocalyptic number.

It is an amenable number.

12401453 is a deficient number, since it is larger than the sum of its proper divisors (7315).

12401453 is an equidigital number, since it uses as much as digits as its factorization.

12401453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12401453 is about 3521.5696784247. The cubic root of 12401453 is about 231.4679456852.

Adding to 12401453 its reverse (35410421), we get a palindrome (47811874).

The spelling of 12401453 in words is "twelve million, four hundred one thousand, four hundred fifty-three".